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mailinabox/management/email_administrator.py

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#!/usr/local/lib/mailinabox/env/bin/python
# Reads in STDIN. If the stream is not empty, mail it to the system administrator.
import sys
import html
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
# In Python 3.6:
#from email.message import Message
from utils import load_environment
# Load system environment info.
env = load_environment()
# Process command line args.
subject = sys.argv[1]
# Administrator's email address.
admin_addr = "administrator@" + env['PRIMARY_HOSTNAME']
# Read in STDIN.
content = sys.stdin.read().strip()
# If there's nothing coming in, just exit.
if content == "":
sys.exit(0)
# create MIME message
msg = MIMEMultipart('alternative')
# In Python 3.6:
#msg = Message()
msg['From'] = "\"%s\" <%s>" % (env['PRIMARY_HOSTNAME'], admin_addr)
msg['To'] = admin_addr
msg['Subject'] = "[%s] %s" % (env['PRIMARY_HOSTNAME'], subject)
content_html = "<html><body><pre>{}</pre></body></html>".format(html.escape(content))
msg.attach(MIMEText(content, 'plain'))
msg.attach(MIMEText(content_html, 'html'))
# In Python 3.6:
#msg.set_content(content)
#msg.add_alternative(content_html, "html")
# send
smtpclient = smtplib.SMTP('127.0.0.1', 25)
smtpclient.ehlo()
smtpclient.sendmail(
admin_addr, # MAIL FROM
admin_addr, # RCPT TO
msg.as_string())
smtpclient.quit()